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Message-ID:	<44DA82C3.9080503@kleckner.net>
Date:	Wed, 09 Aug 2006 17:50:11 -0700
From:	Jim Kleckner <jek-cygwin1 AT kleckner DOT net>
Reply-To:	cygwin AT cygwin DOT com
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To:	cygwin AT cygwin DOT com
Subject:	Re: Infinite loop in Numeric-24.2-1 for eigenvalues (Workaround)
References:	<announce DOT 43D54781 DOT 9010307 AT users DOT sourceforge DOT net> <44D9E2E4 DOT 7020104 AT kleckner DOT net>
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Jim Kleckner wrote:
> This patch mentions:
> # Optionally, you can run
> #       python setup.py config  first. This fixes a bug in 
> LinearAlgebra on Cygwin (and possibly
> # other platforms).
>
>
> but "python setup.py config" fails to compile with the message:
> unable to execute _configtest.exe: No such file or directory
>
>
> Somehow, the optimization compiler flags are getting set to -O3 which 
> only seems to
> be set for the emx compiler platform...

Note that this was a problem on my Linux box as well.

A workaround for this problem in setup.py is to run this simple script 
to create the
config.h file that is failing (probably due to the compile flags):


gcc -fno-strict-aliasing -DNDEBUG -g  -Wall -Wstrict-prototypes 
-IInclude -IPackages/FFT/Include -IPackages/RNG/Include 
-I/usr/include/python2.4 Src/config.c -o mkconfigh
./mkconfigh
mv config.h Src


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